Introduction

Flixu provides an enterprise-grade translation API that combines AI-powered translation with Translation Memory, Glossary enforcement, and Brand Voice consistency — the same quality features used by professional LSPs, built as a developer-first API.

What you can build

Translate Text

Translate strings with full context awareness — glossaries, TM, and brand voice in every request.

Batch Translate

Localize up to 500 strings across 20 languages in a single API call.

Translate Documents

Upload DOCX, XLIFF, PO, YAML, JSON, SRT — 16 formats with structure preservation.

Analyze Content

Pre-flight analysis: detect language, domain, formality, and translation risks.

Key capabilities

Capability	Details
Languages	147 languages with RTL/LTR support (list )
File formats	16 formats: XLIFF, DOCX, PO, YAML, JSON, SRT, VTT, and more (list )
Translation Memory	Automatically match and reuse previously approved translations
Glossary	Enforce terminology consistency across all translations
Brand Voice	Maintain tone, style, and formality alignment
Quality scoring	Every translation includes a 0–100 quality score
Text analysis	Detect language, domain, formality, and complexity before translating
Credit billing	Pay-per-character with pre-flight checks — no surprise charges

Base URL

https://api.flixu.ai/v1

Response format

All responses are wrapped in a consistent { data, meta } envelope:

{
  "data": { ... },
  "meta": {
    "request_id": "550e8400-e29b-...",
    "credits_used": 85,
    "processing_time_ms": 1240
  }
}

Get started

Create an API key

Sign in at app.flixu.ai Settings API Keys
Make your first call

Follow the Quick Start guide — translate text in under 2 minutes
Explore the API

Browse the full API reference or try the interactive Swagger UI